13B知识点梳理Unt1Inclass一词组MrGreen格林先生openyourbooks打开你们的书closethewindow关窗comein进来goodafternoon下午好goodnight晚安openthedoor开门lookattheblackboard看黑板goodmorning早上好goodevening晚上好listentotheteacher听老师的二句型1Standup起立2Sitdownplease请坐下3GoodmorningMrGreen格林先生早上好4ComeinMike迈克进来5LiuTaopleaseopenthedoor刘涛请开门6YesMrGreen好的格林先生7ImsorryMrGreen对不起格林先生8WangBingpleaseclosethewindow王兵请关窗9LookattheblackboardSam山姆看黑板10Dontlistentotheparrot不要听鹦鹉说的话三知识点1字母b通常发b如bookbikebag等在词尾的mbbt中不发音如bombclimbcombdebtdoubt等2用客气的语气表示祈使句时可在句首或句